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Science 20 April 2001:
Vol. 292. no. 5516, p. 452
DOI: 10.1126/science.1061175
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Perspectives

Also see the archival list of Science's Compass: Enhanced Perspectives

BOSE-EINSTEIN CONDENSATION:
Enhanced: A New Trick of the Trade

Massimo Inguscio

In a Bose-Einstein condensate, all atoms share the same wave function. This can only be achieved at ultralow temperatures and, until recently, was only demonstrated for atoms in their atomic ground state. In his Perspective, Inguscio highlights the report by Robert et al., who have achieved a Bose-Einstein condensate of excited helium atoms. This opens up new avenues for investigating and using Bose-Einstein condensates.

The author is in the Department of Physics, European Laboratory for Non-Linear Spectroscopy, University of Florence, Florence, Italy. E-mail: inguscio{at}lens.unifi.it

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Science. ISSN 0036-8075 (print), 1095-9203 (online)